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12933439 — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12933439: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 5083, overall_width: 4.250 INCHES NOMINAL IN, overall_height: 0.250 INCHES NOMINAL IN, overall_length: 4.250 INCHES NOMINAL IN, special_features: 1 LOOP FURNISHED 10875599, surface_treatment: PAINT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-384-5343, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
12933439
NSN: 5340-01-384-5343
FSC: 5340 — Hardware, Commercial
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 5083
overall_width4.250 INCHES NOMINAL IN
overall_height0.250 INCHES NOMINAL IN
overall_length4.250 INCHES NOMINAL IN
special_features1 LOOP FURNISHED 10875599
surface_treatmentPAINT
mounting_hole_typePLAIN
mounting_hole_diameter0.940 INCHES MINIMUM AND 1.180 INCHES MAXIMUM IN
mounting_hole_quantity1
end_item_identificationA4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
material_document_and_classificationQQ-A-250/6 H321 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-384-5343
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12933439 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MOUNTING HOLE QUANTITY: 1
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/6 H321 FED SPEC SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.940 INCHES MINIMUM AND 1.180 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PAINT
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY1
OVERALL HEIGHT0.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/6 H321 FED SPEC SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.940 INCHES MINIMUM AND 1.180 INCHES MAXIMUM IN
OVERALL LENGTH4.250 INCHES NOMINAL IN
OVERALL WIDTH4.250 INCHES NOMINAL IN
SPECIAL FEATURES1 LOOP FURNISHED 10875599
SURFACE TREATMENTPAINT
END ITEM IDENTIFICATIONA4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
MATERIALALUMINUM ALLOY 5083
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12933439?
12933439 is a BRACKET,MOUNTING.
What is the NSN for 12933439?
12933439 is cataloged in the U.S. Government catalog under NSN 5340-01-384-5343. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.